void main()
{
int i,j,k,l;
int count=0;
char c;
ENTER=1;
EXIT=1;
TRISD = 0xFF; // PORTD as input
Lcd_Init(); // Initialize LCD
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,1,"WELCOME:");//Write text'Hello World' in first row
c=toChar(count);
Lcd_chr(2,1,c);
while(1)
{
if(ENTER == 1)
{
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"WELCOME");
count++;
if(count == 999)
count=0;
Delay(500);
}
if(EXIT == 1)
{
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"THANKS");
count--;
if(count == -1)
count=0;
Delay(500);
}
i=count;
j=i%10;
k=i/10;
l=i/100;
k=k-l*10;
c=toChar(j);
Lcd_chr(2,3,c);
c=toChar(k);
Lcd_chr(2,2,c);
c=toChar(l);
Lcd_chr(2,1,c);
}
}
unsigned short obtenerNumero (unsigned short numeroMax) {
unsigned short dig,numero,kp;
volverObtenerNumero:
dig = 0;
numero=0;
Lcd_chr(2, 5, ' '); Lcd_chr(2, 4, ' '); Lcd_chr(2, 3, ' '); Lcd_chr(2, 2, ' '); Lcd_chr(2, 1, ' ');
leerNumero:
do {
kp = Keypad_Key_Click(); // Store key code in kp variable
if (UART1_Data_Ready()){
kp = UART1_Read();
goto bluetooth4;
}
}while (!kp);
kp = teclado(kp);
bluetooth4:
if(kp == 'A' || kp== 'B' || kp == 'C' ||kp == 'D'){
goto leerNumero;
}else if (kp>=48 && kp<=57) {
dig++;
Lcd_chr_Cp(kp);
numero = (kp-48)+(10*numero);
}
if(kp == '#'){
goto volverObtenerNumero;
}else if (kp == '*' ){
Lcd_Chr (2,6,'G'); Lcd_Chr (2,7,'u'); Lcd_Chr (2,8,'a'); Lcd_Chr (2,9,'r');Lcd_Chr (2,10,'d');Lcd_Chr (2,11,'a'); Lcd_Chr (2,12,'d'); Lcd_Chr (2,13,'o');
delay();
}else if (numero >= numeroMax){
//Lcd_Cmd(_LCD_CLEAR);
Lcd_chr(2, 1,'M'); Lcd_chr(2, 2,'a'); Lcd_chr(2, 3,'x'); Lcd_chr(2, 5,'t');
delay();
delay();
goto volverObtenerNumero;
}else{
goto leerNumero;
}
return (numero);
}
/*
Nombre: qtama
Descripcion: establece el tamaño de la porcion de comida servida.
Parametros: ninguno
Retorna: entero sin signo
*/
unsigned short qtama () {
unsigned short kp;
qtama:
do {
kp = Keypad_Key_Click(); // Store key code in kp variable
if (UART1_Data_Ready()){
kp = UART1_Read();
goto bluetooth1;
}
}while (!kp);
kp = teclado(kp);
bluetooth1:
if(kp == 'A' ||kp== 'B' ||kp== 'C'||kp== 'D'){
Lcd_chr(2, 5, kp);
do {
kp = Keypad_Key_Click(); // Store key code in kp variable
if (UART1_Data_Ready()){
kp = UART1_Read();
goto bluetooth2;
}
}while (!kp);
kp = teclado(kp);
bluetooth2:
if(kp == '#'){
goto qtama;
}
}
else {
goto qtama;
}
return (kp);
}
unsigned short qtama () {
unsigned short kp;
qtama:
do {
kp = Keypad_Key_Click();
if (UART1_Data_Ready()){
kp = UART1_Read();
goto bluetooth1;
}
}while (!kp);
kp = teclado(kp);
bluetooth1:
if(kp == 'A' ||kp== 'B' ||kp== 'C'||kp== 'D'){
Lcd_chr(2, 4, kp);
do {
kp = Keypad_Key_Click(); // Store key code in kp variable
if (UART1_Data_Ready()){
kp = UART1_Read();
goto bluetooth2;
}
}while (!kp);
kp = teclado(kp);
bluetooth2:
if(kp == '#'){
goto qtama;
}
if(kp == '*'){
Lcd_Chr (2,6,'G'); Lcd_Chr (2,7,'u'); Lcd_Chr (2,8,'a'); Lcd_Chr (2,9,'r');Lcd_Chr (2,10,'d');Lcd_Chr (2,11,'a'); Lcd_Chr (2,12,'d'); Lcd_Chr (2,13,'o');
}
}else {
goto qtama;
}
return (kp);
}